Ag-Doped TiO2 Nanotube Arrays Composite Film as a Photoanode for Enhancing the Photoelectric Conversion Efficiency in DSSCs

1School of Science, Wuhan University of Technology, Wuhan 430070, China2Department of Chemical and Petroleum Engineering, The University of Pittsburgh, Pittsburgh, PA 15261, USA3Department of Electrical and Computer Engineering, University of North Carolina at Charlotte, Charlotte, NC 28223, USA